Locking safety utility knife



FIG. 1 is a left side elevational view of a locking safety utility knife, showing our new design, with its blade extended;

FIG. 2 is a left side elevational view thereof, wherein the the handle is extended and the blade is retracted;

FIG. 3 is a right side elevational view thereof, wherein the the handle is extended and the blade is retracted;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevational view thereof, whereing the handle is extended; and,

FIG. 9 is a rear elevational view thereof, wherein the handle is extended. 

The ornamental design for a locking safety utility knife, as shown and described. 